Term
| A circumscribed, flat discoloration less than 1 cm in diameter |
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Definition
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Term
| An elevated solid lesion up to 1 cm in diameter |
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Definition
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Term
| A circumscribed, elevated, superficial solid lesion more than 1 cm in diameter, often formed by the confluence of papules |
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Definition
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Term
| a firm or indurated, elevated solid lesion more than 1 cm in diameter |
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Definition
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Term
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Definition
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Term
| a firm edematous plaque resulting form infiltration of the dermis with fluid |
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Definition
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Term
| a circumscribed collection of leukocytes and fluid that varies in size |
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Definition
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Term
| a circumscribed collection of fluid up to 1 cm in diameter |
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Definition
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Term
| a circumscribed collection of fluid more than 1 cm in diameter |
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Definition
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Term
| excess dead epidermal cells produced by abnormal keratinization |
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Definition
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Term
| a collection of dried serum and cellular debris, a scab |
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Definition
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Term
| a focal loss of epidermis, will heal without scarring because it does NOT penetrate below the dermoepidermal jct |
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Definition
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Term
| a focal loss of epidermis AND dermis, heals with scarring |
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Definition
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Term
| a linear loss of epidermis and dermis with sharply defined, nearly vertical walls |
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Definition
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Term
| a depression in the skin resulting from thinning of the epidermis or dermis |
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Definition
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Term
| an abnormal formation of connective tissue implying dermal damage; after injury they are initially thick and pink but become white and atrophic w/time |
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Definition
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Term
| erosion caused by scratching, often linear |
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Definition
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Term
| a plug of sebaceous and keratinous material lodged in the opening of a hair follicle |
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Definition
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Term
| a small superficial keratin cyst with no visible opening |
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Definition
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Term
| a circumscribed lesion with a wall and lumen; lumen may contain fluid or solid matter |
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Definition
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Term
| a narrow, elevated tortuous channel produced by a parasite |
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Definition
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Term
| an area of thickened epidermis induced by scratching or rubbing; the skin lines are accentuated |
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Definition
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Term
| dilated superficial blood vessels |
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Definition
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Term
| a flat circumscribed deposit of blood less than 0.5 cm in diameter |
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Definition
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Term
| a circumscribed deposit of blood greater than 0.5 cm in diameter |
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Definition
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Term
| thickening of the stratum corneum |
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Definition
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Term
| mode of keratinization characterized byt he retention of nuclei in the stratum corneum |
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Definition
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Term
| hyperplasia of the stratum granulosum, often due to intense rubbing |
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Definition
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Term
| diffuse epidermal hyperplasia |
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Definition
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Term
| loss of intercellular connections resulting in loss of cohesion between keratinocytes |
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Definition
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Term
| intercellular edema of the epidermis |
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Definition
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Term
| intracellular edema of keratinocytes, often seen in viral infectiosn |
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Definition
| hydropic swelling (balloning) |
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Term
| formation of vacuoles within or adjacent to cells; often refers to basal cell-basement membrane zone areas |
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Definition
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